<!--
//スタイルシートのブラウザ分岐(第1階層用)
	oswin = ( navigator.userAgent.indexOf("Windows", 0) != -1 );
	osmac = ( navigator.userAgent.indexOf("Mac", 0) != -1 );
	br_ie = ( navigator.appName.indexOf("Microsoft", 0) != -1 );
	br_nn = ( navigator.appName.indexOf("Netscape", 0)  != -1 );
	b_ver = ( navigator.appVersion.charAt(0) );

	var s_file = "";
	if( oswin && br_ie && b_ver >= 4 ){ s_file = "./css/win_ie.css"; }
	if( oswin && br_nn && b_ver >= 4){ s_file = "./css/win_nn.css"; }
	if( osmac && br_ie && b_ver >= 4 ){ s_file = "./css/mac_ie.css"; }
	if( osmac && br_nn && b_ver >= 4 ){ s_file = "./css/mac_nn.css"; }

	if( s_file != "" ){
		css_descript = '<link rel="stylesheet" href="' + s_file + '">';
		document.write( css_descript );
	}
//-->

